12.76 x 9.29 x 0.74 inches. Fit A4 size and Letter size, suitable for A4 size and Letter size files, and can accommodate a large amount of paper. File organizers are made of high-quality material, Waterproof and non-toxic, Not easy to break and deformation, which can stand up to repeated wear. Accordion file folders designed with a secure snap button closure that will keep stored items firmly in place, make sure your documents not easy to fall and scatter. Expanding file folder has 5 expandable pockets,The label position on the side helps to quickly find the desired file. you can keep your important paper and documents tidy and improve your work efficiency. Perfect for families, schools, offices and business trips, And also can be as personal gifts, simple and fashionable.